Similarly, Sableye [Lost Origin] can use its Lost Mine attack only if you have 10 or more cards in the Lost Zone
Try to squeeze as many life gain effects as you can (Disciple of Bolas, Tendrils of Corruption) into every black deck
When you add in time for rolling and wacky effects, Planechase Commander games can take a while, too, so you should probably expect to settle in for a little longer than normal, though some of the new planes really encourage attacking and moving the game along, so maybe less than you might think if you're used to Planechase Commander already
In the end, I chose to build a step-by-step guide into the world of Magic: The Gathering (aka MTG) card valuation, and give you, the reader, the tools to look at your collection and build your own list